Signals &Definitions LIRR Exam Questions With Correct Answers
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Course
Signals &Definitions LIRR
Institution
Signals &Definitions LIRR
Signals &Definitions LIRR Exam Questions
With Correct Answers
Block - answerA length of track having defined limits.,The use of which is governed by
block signals, block-limit signals, automatic speed control or any combination thereof.
Absolute Block - answerA block established between block s...
EXAM STUDY MATERIALS July 30, 2024 11:26 AM Signals &Definitions LIRR Exam Questions With Correct Answers Bloc k - answer✔✔A length of track having defined limits.,The use of which is governed by block signals, block -limit signals, automatic speed control or any combination thereof. Absolute Block - answer✔✔A block established between block stations, block limit st ations, interlockings or any combination thereof which must not be occupied by more than one train except as provided by the rules Automatic block signal system - answer✔✔A block signal system wherein the use of each block is governed by an automatic block signal,cab signal indicator or both. Block signal system - answer✔✔A series of consecutive blocks Single Track - answer✔✔A main track upon which trains are operated in both directions. Siding - answer✔✔A designated track adjacent to a main track for the m eeting or passing of trains. Two or More Tracks - answer✔✔Two or more main tracks upon which trains are operated as designated in the special instructions. Yard - answer✔✔A system of tracks, other than main tracks, secondary tracks or sidings, used for mak ing up trains, storing cars and other purposes. All movements are subject to prescribed signals, rules and special instructions. Yard Limits - answer✔✔A portion of single main track between yard limit boards, as specified by special instruction. Camp Car - answer✔✔Any on -track vehicle, except a wreck train, that is used to house railroad or contract employees. Extra Train - answer✔✔A train not authorized by a timetable schedule. It must be designated as: passenger extra —for passenger train extra. Work Extra —for work train extra. Track car extra —
for track car extra. Extra —for any other extra train except passenger extra, work extra or track car extra. Limited speed - answer✔✔A speed not exceeding 40 mph EXAM STUDY MATERIALS July 30, 2024 11:26 AM Maximum authorized speed(Mas) - answer✔✔The highest speed that is permitted over a specific portion of the railroad. It may be authorized by the special instructions of the current timetable, rules of the operating department or any other publication autho rized by the General Superintendent -Transportation Medium speed - answer✔✔A speed not exceeding 30mph, except in ASC territory, train will be governed by speed displayed on the cab signal indicator not to exceed 40 mph Reduced speed - answer✔✔A speed at wh ich a train can be stopped short of another train or obstruction. Restricted speed - answer✔✔A mode of operation, at which a train can be stopped within one half the range of vision, short of the next signal, another train, obstruction, derail, or switch improperly lined, looking out for broken rail or crossing protection not functioning, not exceeding 15 miles per hour. Slow speed - answer✔✔a speed not exceeding 15 MPH, except in ASC territory, train will be governed by speed displayed on the cab signal in dicator not to exceed 30 MPH. Automatic safety switch - answer✔✔A switch identified by a yellow switch stand. Trains may make trailing point moves through the switch without previously aligning it by hand except as specified by timetable special instructio n. Crossover - answer✔✔A track connection between two adjacent, not necessarily parallel tracks, consisting of a minimum of two switches, which is intended to be used primarily for the purpose of crossing over from one track to another Derail - answer✔✔A track safety device, fixed or portable, designed to guide a car off the rails at a selected location on a track as a means of protection against collisions or other accidents. Dual control switch - answer✔✔A power -operated switch also equipped for hand oper ation. Electric lock switch - answer✔✔A Hand -operated switch equipped with an electrical device that restricts the movement of the switch. Hand -Operated switch - answer✔✔A switch that must be aligned by hand before a train makes a trailing point movement t hrough the switch. Interlocking Switch - answer✔✔A switch within interlocking limits controlled by the Block Operator or Train dispatcher working in conjunction with interlocking appliances. Spring switch - answer✔✔A switch equipped with a spring mechanism that will restore the switch points to the normal position after having been trailed through. Block -Limit Station - answer✔✔A place at which a block -limit signal is displayed. Block Station - answer✔✔A place at which manual block signals are displayed.
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